101040252542 has 8 divisors (see below), whose sum is σ = 151572602376. Its totient is φ = 50516051752.

The previous prime is 101040252541. The next prime is 101040252571. The reversal of 101040252542 is 245252040101.

101040252542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101040252542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101040252541) 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, 2006168 + ... + 2055915.

It is an arithmetic number, because the mean of its divisors is an integer number (18946575297).

Almost surely, 2^101040252542 is an apocalyptic number.

101040252542 is a deficient number, since it is larger than the sum of its proper divisors (50532349834).

101040252542 is a wasteful number, since it uses less digits than its factorization.

101040252542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074522.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 101040252542 its reverse (245252040101), we get a palindrome (346292292643).

The spelling of 101040252542 in words is "one hundred one billion, forty million, two hundred fifty-two thousand, five hundred forty-two".