1156650455 has 32 divisors (see below), whose sum is σ = 1476403200. Its totient is φ = 868608000.

The previous prime is 1156650449. The next prime is 1156650461. The reversal of 1156650455 is 5540566511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1156650449) and next prime (1156650461).

It is not a de Polignac number, because 1156650455 - 2²⁰ = 1155601879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721655 + ... + 723255.

It is an arithmetic number, because the mean of its divisors is an integer number (46137600).

Almost surely, 2^1156650455 is an apocalyptic number.

1156650455 is a deficient number, since it is larger than the sum of its proper divisors (319752745).

1156650455 is a wasteful number, since it uses less digits than its factorization.

1156650455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 1156650455 is about 34009.5641695097. The cubic root of 1156650455 is about 1049.7052702642.

The spelling of 1156650455 in words is "one billion, one hundred fifty-six million, six hundred fifty thousand, four hundred fifty-five".