1501165156650 has 48 divisors (see below), whose sum is σ = 3761269929984. Its totient is φ = 396183790080.

The previous prime is 1501165156639. The next prime is 1501165156651. The reversal of 1501165156650 is 566515611051.

It is not an unprimeable number, because it can be changed into a prime (1501165156651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51571882 + ... + 51600981.

It is an arithmetic number, because the mean of its divisors is an integer number (78359790208).

Almost surely, 2^{1501165156650} is an apocalyptic number.

1501165156650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1501165156650 is an abundant number, since it is smaller than the sum of its proper divisors (2260104773334).

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

1501165156650 is a wasteful number, since it uses less digits than its factorization.

1501165156650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103172975 (or 103172970 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 1501165156650 in words is "one trillion, five hundred one billion, one hundred sixty-five million, one hundred fifty-six thousand, six hundred fifty".