1156452004551 has 32 divisors (see below), whose sum is σ = 1725187368960. Its totient is φ = 685282650624.

The previous prime is 1156452004549. The next prime is 1156452004583. The reversal of 1156452004551 is 1554002546511.

It is not a de Polignac number, because 1156452004551 - 2¹ = 1156452004549 is a prime.

It is a super-2 number, since 2×1156452004551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156452004511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6147160 + ... + 6332493.

It is an arithmetic number, because the mean of its divisors is an integer number (53912105280).

Almost surely, 2^{1156452004551} is an apocalyptic number.

1156452004551 is a deficient number, since it is larger than the sum of its proper divisors (568735364409).

1156452004551 is a wasteful number, since it uses less digits than its factorization.

1156452004551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12479775.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 1156452004551 in words is "one trillion, one hundred fifty-six billion, four hundred fifty-two million, four thousand, five hundred fifty-one".