1151620254564 has 48 divisors (see below), whose sum is σ = 2899010576448. Its totient is φ = 353708500608.

The previous prime is 1151620254509. The next prime is 1151620254599. The reversal of 1151620254564 is 4654520261511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6539842 + ... + 6713625.

It is an arithmetic number, because the mean of its divisors is an integer number (60396053676).

Almost surely, 2^{1151620254564} is an apocalyptic number.

It is an amenable number.

1151620254564 is an abundant number, since it is smaller than the sum of its proper divisors (1747390321884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151620254564 is a wasteful number, since it uses less digits than its factorization.

1151620254564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13254044 (or 13254042 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 1151620254564 in words is "one trillion, one hundred fifty-one billion, six hundred twenty million, two hundred fifty-four thousand, five hundred sixty-four".