157511542890 has 64 divisors (see below), whose sum is σ = 410214575232. Its totient is φ = 38476089600.

The previous prime is 157511542889. The next prime is 157511542907. The reversal of 157511542890 is 98245115751.

It is a super-2 number, since 2×157511542890² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1490421 + ... + 1592600.

It is an arithmetic number, because the mean of its divisors is an integer number (6409602738).

Almost surely, 2^157511542890 is an apocalyptic number.

157511542890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157511542890 is an abundant number, since it is smaller than the sum of its proper divisors (252703032342).

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

157511542890 is a wasteful number, since it uses less digits than its factorization.

157511542890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083175.

The product of its (nonzero) digits is 504000, while the sum is 48.

The spelling of 157511542890 in words is "one hundred fifty-seven billion, five hundred eleven million, five hundred forty-two thousand, eight hundred ninety".