1501201373265 has 48 divisors (see below), whose sum is σ = 2863756097280. Its totient is φ = 721413987840.

The previous prime is 1501201373257. The next prime is 1501201373303. The reversal of 1501201373265 is 5623731021051.

1501201373265 is a `hidden beast` number, since 1 + 5 + 0 + 1 + 20 + 1 + 373 + 265 = 666.

It is not a de Polignac number, because 1501201373265 - 2³ = 1501201373257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13363225 + ... + 13475094.

It is an arithmetic number, because the mean of its divisors is an integer number (59661585360).

Almost surely, 2^{1501201373265} is an apocalyptic number.

1501201373265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1501201373265 is a deficient number, since it is larger than the sum of its proper divisors (1362554724015).

1501201373265 is a wasteful number, since it uses less digits than its factorization.

1501201373265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26838454 (or 26838451 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

It can be divided in two parts, 150120 and 1373265, that added together give a triangular number (1523385 = T₁₇₄₅).

The spelling of 1501201373265 in words is "one trillion, five hundred one billion, two hundred one million, three hundred seventy-three thousand, two hundred sixty-five".