1154652461631 has 12 divisors (see below), whose sum is σ = 1721632344640. Its totient is φ = 744937071840.

The previous prime is 1154652461621. The next prime is 1154652461653. The reversal of 1154652461631 is 1361642564511.

1154652461631 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 6 + 5 + 2 + 4 + 6 + 1 + 631 = 666.

It is not a de Polignac number, because 1154652461631 - 2¹⁵ = 1154652428863 is a prime.

It is a super-2 number, since 2×1154652461631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154652461621) 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, 2069269366 + ... + 2069269923.

Almost surely, 2^{1154652461631} is an apocalyptic number.

1154652461631 is a deficient number, since it is larger than the sum of its proper divisors (566979883009).

1154652461631 is a wasteful number, since it uses less digits than its factorization.

1154652461631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138539326 (or 4138539323 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The spelling of 1154652461631 in words is "one trillion, one hundred fifty-four billion, six hundred fifty-two million, four hundred sixty-one thousand, six hundred thirty-one".