2651212702551 has 32 divisors (see below), whose sum is σ = 4042432143360. Its totient is φ = 1514045693664.

The previous prime is 2651212702547. The next prime is 2651212702561. The reversal of 2651212702551 is 1552072121562.

2651212702551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2651212702551 - 2² = 2651212702547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2651212702561) 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, 374514430 + ... + 374521508.

It is an arithmetic number, because the mean of its divisors is an integer number (126326004480).

Almost surely, 2^{2651212702551} is an apocalyptic number.

2651212702551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2651212702551 is a deficient number, since it is larger than the sum of its proper divisors (1391219440809).

2651212702551 is a wasteful number, since it uses less digits than its factorization.

2651212702551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555.

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 2651212702551 in words is "two trillion, six hundred fifty-one billion, two hundred twelve million, seven hundred two thousand, five hundred fifty-one".