252077402148651 has 24 divisors (see below), whose sum is σ = 364712825340864. Its totient is φ = 167774253987840.

The previous prime is 252077402148641. The next prime is 252077402148679. The reversal of 252077402148651 is 156841204770252.

252077402148651 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 77 + 40 + 2 + 1 + 486 + 51 = 666.

It is not a de Polignac number, because 252077402148651 - 2⁶ = 252077402148587 is a prime.

It is a super-2 number, since 2×252077402148651² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252077402148641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61990345 + ... + 65931461.

It is an arithmetic number, because the mean of its divisors is an integer number (15196367722536).

Almost surely, 2^{252077402148651} is an apocalyptic number.

252077402148651 is a deficient number, since it is larger than the sum of its proper divisors (112635423192213).

252077402148651 is a wasteful number, since it uses less digits than its factorization.

252077402148651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952851 (or 3952848 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 252077402148651 in words is "two hundred fifty-two trillion, seventy-seven billion, four hundred two million, one hundred forty-eight thousand, six hundred fifty-one".