1151912554331 has 16 divisors (see below), whose sum is σ = 1436191531008. Its totient is φ = 897568689600.

The previous prime is 1151912554307. The next prime is 1151912554363. The reversal of 1151912554331 is 1334552191511.

It is not a de Polignac number, because 1151912554331 - 2¹⁴ = 1151912537947 is a prime.

It is a super-2 number, since 2×1151912554331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151912554031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2787686 + ... + 3174116.

It is an arithmetic number, because the mean of its divisors is an integer number (89761970688).

Almost surely, 2^{1151912554331} is an apocalyptic number.

1151912554331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1151912554331 is a deficient number, since it is larger than the sum of its proper divisors (284278976677).

1151912554331 is a wasteful number, since it uses less digits than its factorization.

1151912554331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425162.

The product of its digits is 81000, while the sum is 41.

The spelling of 1151912554331 in words is "one trillion, one hundred fifty-one billion, nine hundred twelve million, five hundred fifty-four thousand, three hundred thirty-one".