11455060631 has 4 divisors (see below), whose sum is σ = 13091497872. Its totient is φ = 9818623392.

The previous prime is 11455060627. The next prime is 11455060633. The reversal of 11455060631 is 13606055411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11455060631 - 2² = 11455060627 is a prime.

It is a super-2 number, since 2×11455060631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455060633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818218610 + ... + 818218623.

It is an arithmetic number, because the mean of its divisors is an integer number (3272874468).

Almost surely, 2^11455060631 is an apocalyptic number.

11455060631 is a deficient number, since it is larger than the sum of its proper divisors (1636437241).

11455060631 is an equidigital number, since it uses as much as digits as its factorization.

11455060631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636437240.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 11455060631 in words is "eleven billion, four hundred fifty-five million, sixty thousand, six hundred thirty-one".