2551001511155 has 8 divisors (see below), whose sum is σ = 3063311540784. Its totient is φ = 2039394724000.

The previous prime is 2551001511131. The next prime is 2551001511187. The reversal of 2551001511155 is 5511151001552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2551001511155 - 2²⁴ = 2550984733939 is a prime.

It is a Duffinian 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, 175802636 + ... + 175817145.

It is an arithmetic number, because the mean of its divisors is an integer number (382913942598).

Almost surely, 2^{2551001511155} is an apocalyptic number.

2551001511155 is a deficient number, since it is larger than the sum of its proper divisors (512310029629).

2551001511155 is a wasteful number, since it uses less digits than its factorization.

2551001511155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351621237.

The product of its (nonzero) digits is 6250, while the sum is 32.

The spelling of 2551001511155 in words is "two trillion, five hundred fifty-one billion, one million, five hundred eleven thousand, one hundred fifty-five".