2015711161500 has 96 divisors (see below), whose sum is σ = 5870556147456. Its totient is φ = 537449236800.

The previous prime is 2015711161439. The next prime is 2015711161507. The reversal of 2015711161500 is 51611175102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015711161507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11316127 + ... + 11492873.

It is an arithmetic number, because the mean of its divisors is an integer number (61151626536).

Almost surely, 2^{2015711161500} is an apocalyptic number.

2015711161500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015711161500 is an abundant number, since it is smaller than the sum of its proper divisors (3854844985956).

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

2015711161500 is a wasteful number, since it uses less digits than its factorization.

2015711161500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184372 (or 184360 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 30.

The spelling of 2015711161500 in words is "two trillion, fifteen billion, seven hundred eleven million, one hundred sixty-one thousand, five hundred".