2542927521156 has 48 divisors (see below), whose sum is σ = 6554841968640. Its totient is φ = 760829865120.

The previous prime is 2542927521131. The next prime is 2542927521157. The reversal of 2542927521156 is 6511257292452.

It is a junction number, because it is equal to n+sod(n) for n = 2542927521099 and 2542927521108.

It is not an unprimeable number, because it can be changed into a prime (2542927521157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121917436 + ... + 121938291.

It is an arithmetic number, because the mean of its divisors is an integer number (136559207680).

Almost surely, 2^{2542927521156} is an apocalyptic number.

It is an amenable number.

2542927521156 is an abundant number, since it is smaller than the sum of its proper divisors (4011914447484).

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

2542927521156 is a wasteful number, since it uses less digits than its factorization.

2542927521156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243855824 (or 243855822 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 51.

The spelling of 2542927521156 in words is "two trillion, five hundred forty-two billion, nine hundred twenty-seven million, five hundred twenty-one thousand, one hundred fifty-six".