2505620322651 has 8 divisors (see below), whose sum is σ = 3448595713024. Its totient is φ = 1616529240360.

The previous prime is 2505620322643. The next prime is 2505620322661. The reversal of 2505620322651 is 1562230265052.

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

It is not a de Polignac number, because 2505620322651 - 2³ = 2505620322643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505620322661) 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, 13471076911 + ... + 13471077096.

It is an arithmetic number, because the mean of its divisors is an integer number (431074464128).

Almost surely, 2^{2505620322651} is an apocalyptic number.

2505620322651 is a deficient number, since it is larger than the sum of its proper divisors (942975390373).

2505620322651 is a wasteful number, since it uses less digits than its factorization.

2505620322651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26942154041.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 2505620322651 in words is "two trillion, five hundred five billion, six hundred twenty million, three hundred twenty-two thousand, six hundred fifty-one".