51001553151 has 32 divisors (see below), whose sum is σ = 76479249600. Its totient is φ = 33587136000.

The previous prime is 51001553131. The next prime is 51001553167. The reversal of 51001553151 is 15135510015.

51001553151 is a `hidden beast` number, since 5 + 100 + 1 + 553 + 1 + 5 + 1 = 666.

It is not a de Polignac number, because 51001553151 - 2¹³ = 51001544959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001553131) 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, 2674651 + ... + 2693651.

It is an arithmetic number, because the mean of its divisors is an integer number (2389976550).

Almost surely, 2^51001553151 is an apocalyptic number.

51001553151 is a deficient number, since it is larger than the sum of its proper divisors (25477696449).

51001553151 is a wasteful number, since it uses less digits than its factorization.

51001553151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20216 (or 20210 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The spelling of 51001553151 in words is "fifty-one billion, one million, five hundred fifty-three thousand, one hundred fifty-one".