1351153556432 has 10 divisors (see below), whose sum is σ = 2617860015618. Its totient is φ = 675576778208.

The previous prime is 1351153556399. The next prime is 1351153556449. The reversal of 1351153556432 is 2346553511531.

It can be written as a sum of positive squares in only one way, i.e., 1336067821456 + 15085734976 = 1155884^2 + 122824^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42223548623 + ... + 42223548654.

Almost surely, 2^{1351153556432} is an apocalyptic number.

It is an amenable number.

1351153556432 is a deficient number, since it is larger than the sum of its proper divisors (1266706459186).

1351153556432 is an equidigital number, since it uses as much as digits as its factorization.

1351153556432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84447097285 (or 84447097279 counting only the distinct ones).

The product of its digits is 810000, while the sum is 44.

The spelling of 1351153556432 in words is "one trillion, three hundred fifty-one billion, one hundred fifty-three million, five hundred fifty-six thousand, four hundred thirty-two".