2523956989157 has 8 divisors (see below), whose sum is σ = 2595869889912. Its totient is φ = 2452238712000.

The previous prime is 2523956989097. The next prime is 2523956989159. The reversal of 2523956989157 is 7519896593252.

It can be written as a sum of positive squares in 4 ways, for example, as 1906390479841 + 617566509316 = 1380721^2 + 785854^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2523956989157 - 2²⁴ = 2523940211941 is a prime.

It is a super-2 number, since 2×2523956989157² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523956989159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48629594 + ... + 48681467.

It is an arithmetic number, because the mean of its divisors is an integer number (324483736239).

Almost surely, 2^{2523956989157} is an apocalyptic number.

It is an amenable number.

2523956989157 is a deficient number, since it is larger than the sum of its proper divisors (71912900755).

2523956989157 is an equidigital number, since it uses as much as digits as its factorization.

2523956989157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97311799.

The product of its digits is 367416000, while the sum is 71.

The spelling of 2523956989157 in words is "two trillion, five hundred twenty-three billion, nine hundred fifty-six million, nine hundred eighty-nine thousand, one hundred fifty-seven".