2135156265660 has 96 divisors (see below), whose sum is σ = 6613790206464. Its totient is φ = 510323296000.

The previous prime is 2135156265623. The next prime is 2135156265667. The reversal of 2135156265660 is 665626515312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135156265667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22735431 + ... + 22829150.

It is an arithmetic number, because the mean of its divisors is an integer number (68893647984).

Almost surely, 2^{2135156265660} is an apocalyptic number.

2135156265660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135156265660 is an abundant number, since it is smaller than the sum of its proper divisors (4478633940804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2135156265660 is a wasteful number, since it uses less digits than its factorization.

2135156265660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45564675 (or 45564673 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 2135156265660 in words is "two trillion, one hundred thirty-five billion, one hundred fifty-six million, two hundred sixty-five thousand, six hundred sixty".