2102373712551 has 16 divisors (see below), whose sum is σ = 3372228512000. Its totient is φ = 1138127122368.

The previous prime is 2102373712547. The next prime is 2102373712561. The reversal of 2102373712551 is 1552173732012.

It is not a de Polignac number, because 2102373712551 - 2² = 2102373712547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102373712531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2634553126 + ... + 2634553923.

It is an arithmetic number, because the mean of its divisors is an integer number (210764282000).

Almost surely, 2^{2102373712551} is an apocalyptic number.

2102373712551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2102373712551 is a deficient number, since it is larger than the sum of its proper divisors (1269854799449).

2102373712551 is a wasteful number, since it uses less digits than its factorization.

2102373712551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269107078.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 2102373712551 in words is "two trillion, one hundred two billion, three hundred seventy-three million, seven hundred twelve thousand, five hundred fifty-one".