153054421551 has 12 divisors (see below), whose sum is σ = 221734632912. Its totient is φ = 101733500736.

The previous prime is 153054421543. The next prime is 153054421589. The reversal of 153054421551 is 155124450351.

153054421551 is a `hidden beast` number, since 1 + 5 + 30 + 54 + 4 + 21 + 551 = 666.

It is not a de Polignac number, because 153054421551 - 2³ = 153054421543 is a prime.

It is a super-2 number, since 2×153054421551² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153054423551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25228491 + ... + 25234556.

It is an arithmetic number, because the mean of its divisors is an integer number (18477886076).

Almost surely, 2^153054421551 is an apocalyptic number.

153054421551 is a deficient number, since it is larger than the sum of its proper divisors (68680211361).

153054421551 is a wasteful number, since it uses less digits than its factorization.

153054421551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50463390 (or 50463387 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 153054421551 in words is "one hundred fifty-three billion, fifty-four million, four hundred twenty-one thousand, five hundred fifty-one".