115320215510 has 16 divisors (see below), whose sum is σ = 208651916736. Its totient is φ = 45889079808.

The previous prime is 115320215509. The next prime is 115320215567. The reversal of 115320215510 is 15512023511.

It is a self number, because there is not a number n which added to its sum of digits gives 115320215510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29873774 + ... + 29877633.

It is an arithmetic number, because the mean of its divisors is an integer number (13040744796).

Almost surely, 2^115320215510 is an apocalyptic number.

115320215510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115320215510 is a deficient number, since it is larger than the sum of its proper divisors (93331701226).

115320215510 is a wasteful number, since it uses less digits than its factorization.

115320215510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59751607.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 115320215510 in words is "one hundred fifteen billion, three hundred twenty million, two hundred fifteen thousand, five hundred ten".