2551240424355 has 32 divisors (see below), whose sum is σ = 4815613267968. Its totient is φ = 1128659356800.

The previous prime is 2551240424351. The next prime is 2551240424429. The reversal of 2551240424355 is 5534240421552.

It is not a de Polignac number, because 2551240424355 - 2² = 2551240424351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2551240424351) 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, 391892356 + ... + 391898865.

It is an arithmetic number, because the mean of its divisors is an integer number (150487914624).

Almost surely, 2^{2551240424355} is an apocalyptic number.

2551240424355 is a deficient number, since it is larger than the sum of its proper divisors (2264372843613).

2551240424355 is a wasteful number, since it uses less digits than its factorization.

2551240424355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783791267.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 2551240424355 in words is "two trillion, five hundred fifty-one billion, two hundred forty million, four hundred twenty-four thousand, three hundred fifty-five".