157256399026718 has 32 divisors (see below), whose sum is σ = 245102511548160. Its totient is φ = 75589800007680.

The previous prime is 157256399026711. The next prime is 157256399026777. The reversal of 157256399026718 is 817620993652751.

It is a super-3 number, since 3×157256399026718³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157256399026711) 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, 7030028 + ... + 19077056.

It is an arithmetic number, because the mean of its divisors is an integer number (7659453485880).

Almost surely, 2^{157256399026718} is an apocalyptic number.

157256399026718 is a deficient number, since it is larger than the sum of its proper divisors (87846112521442).

157256399026718 is a wasteful number, since it uses less digits than its factorization.

157256399026718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048452.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 157256399026718 in words is "one hundred fifty-seven trillion, two hundred fifty-six billion, three hundred ninety-nine million, twenty-six thousand, seven hundred eighteen".