1521472462551 has 24 divisors (see below), whose sum is σ = 2318717456640. Its totient is φ = 958700394000.

The previous prime is 1521472462519. The next prime is 1521472462561. The reversal of 1521472462551 is 1552642741251.

1521472462551 is a `hidden beast` number, since 1 + 5 + 2 + 14 + 7 + 2 + 4 + 625 + 5 + 1 = 666.

It is not a de Polignac number, because 1521472462551 - 2⁵ = 1521472462519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1521472462497 and 1521472462506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521472462561) 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, 10248225 + ... + 10395626.

It is an arithmetic number, because the mean of its divisors is an integer number (96613227360).

Almost surely, 2^{1521472462551} is an apocalyptic number.

1521472462551 is a deficient number, since it is larger than the sum of its proper divisors (797244994089).

1521472462551 is a wasteful number, since it uses less digits than its factorization.

1521472462551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20644307 (or 20644304 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 1521472462551 in words is "one trillion, five hundred twenty-one billion, four hundred seventy-two million, four hundred sixty-two thousand, five hundred fifty-one".