1156012453651 has 12 divisors (see below), whose sum is σ = 1270745987896. Its totient is φ = 1050847902720.

The previous prime is 1156012453643. The next prime is 1156012453681. The reversal of 1156012453651 is 1563542106511.

It is not a de Polignac number, because 1156012453651 - 2³ = 1156012453643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156012453601) 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, 1471891 + ... + 2116243.

Almost surely, 2^{1156012453651} is an apocalyptic number.

1156012453651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1156012453651 is a deficient number, since it is larger than the sum of its proper divisors (114733534245).

1156012453651 is a wasteful number, since it uses less digits than its factorization.

1156012453651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659202 (or 659191 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 1156012453651 in words is "one trillion, one hundred fifty-six billion, twelve million, four hundred fifty-three thousand, six hundred fifty-one".