115530420111510 has 64 divisors (see below), whose sum is σ = 281989260605952. Its totient is φ = 30285972389376.

The previous prime is 115530420111497. The next prime is 115530420111521. The reversal of 115530420111510 is 15111024035511.

It is a super-2 number, since 2×115530420111510² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 58033267 + ... + 59991006.

It is an arithmetic number, because the mean of its divisors is an integer number (4406082196968).

Almost surely, 2^{115530420111510} is an apocalyptic number.

115530420111510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115530420111510 is an abundant number, since it is smaller than the sum of its proper divisors (166458840494442).

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

115530420111510 is a wasteful number, since it uses less digits than its factorization.

115530420111510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118024837.

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 115530420111510 in words is "one hundred fifteen trillion, five hundred thirty billion, four hundred twenty million, one hundred eleven thousand, five hundred ten".