2151517762038 has 16 divisors (see below), whose sum is σ = 4304355917760. Its totient is φ = 716952521736.

The previous prime is 2151517762019. The next prime is 2151517762039. The reversal of 2151517762038 is 8302677151512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151517762039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54995220 + ... + 55034327.

It is an arithmetic number, because the mean of its divisors is an integer number (269022244860).

Almost surely, 2^{2151517762038} is an apocalyptic number.

2151517762038 is an abundant number, since it is smaller than the sum of its proper divisors (2152838155722).

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

2151517762038 is a wasteful number, since it uses less digits than its factorization.

2151517762038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110032811.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 2151517762038 in words is "two trillion, one hundred fifty-one billion, five hundred seventeen million, seven hundred sixty-two thousand, thirty-eight".