2251651141628 has 24 divisors (see below), whose sum is σ = 4510198648032. Its totient is φ = 963515553984.

The previous prime is 2251651141573. The next prime is 2251651141633. The reversal of 2251651141628 is 8261411561522.

It is a congruent 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, 61556075 + ... + 61592642.

It is an arithmetic number, because the mean of its divisors is an integer number (187924943668).

Almost surely, 2^{2251651141628} is an apocalyptic number.

2251651141628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2251651141628 is an abundant number, since it is smaller than the sum of its proper divisors (2258547506404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251651141628 is a wasteful number, since it uses less digits than its factorization.

2251651141628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123149381 (or 123149379 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The spelling of 2251651141628 in words is "two trillion, two hundred fifty-one billion, six hundred fifty-one million, one hundred forty-one thousand, six hundred twenty-eight".