1155514440474 has 24 divisors (see below), whose sum is σ = 2537910714612. Its totient is φ = 379895158080.

The previous prime is 1155514440467. The next prime is 1155514440523. The reversal of 1155514440474 is 4740444155511.

1155514440474 is a `hidden beast` number, since 1 + 1 + 55 + 51 + 44 + 40 + 474 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 962472837249 + 193041603225 = 981057^2 + 439365^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439692157 + ... + 439694784.

Almost surely, 2^{1155514440474} is an apocalyptic number.

1155514440474 is an abundant number, since it is smaller than the sum of its proper divisors (1382396274138).

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

1155514440474 is a wasteful number, since it uses less digits than its factorization.

1155514440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879387022 (or 879387019 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 45.

Adding to 1155514440474 its reverse (4740444155511), we get a palindrome (5895958595985).

The spelling of 1155514440474 in words is "one trillion, one hundred fifty-five billion, five hundred fourteen million, four hundred forty thousand, four hundred seventy-four".