151544123401 has 4 divisors (see below), whose sum is σ = 165320861904. Its totient is φ = 137767384900.

The previous prime is 151544123389. The next prime is 151544123449. The reversal of 151544123401 is 104321445151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 151544123401 - 2⁹ = 151544122889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151544123701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6888369235 + ... + 6888369256.

It is an arithmetic number, because the mean of its divisors is an integer number (41330215476).

Almost surely, 2^151544123401 is an apocalyptic number.

151544123401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151544123401 is a deficient number, since it is larger than the sum of its proper divisors (13776738503).

151544123401 is a wasteful number, since it uses less digits than its factorization.

151544123401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13776738502.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 151544123401 its reverse (104321445151), we get a palindrome (255865568552).

The spelling of 151544123401 in words is "one hundred fifty-one billion, five hundred forty-four million, one hundred twenty-three thousand, four hundred one".