10055154991 has 4 divisors (see below), whose sum is σ = 11491605712. Its totient is φ = 8618704272.

The previous prime is 10055154953. The next prime is 10055155001. The reversal of 10055154991 is 19945155001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19945155001 = 137 ⋅145585073.

It is a cyclic number.

It is not a de Polignac number, because 10055154991 - 2²⁷ = 9920937263 is a prime.

It is a super-2 number, since 2×10055154991² (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 (10055154491) 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, 718225350 + ... + 718225363.

It is an arithmetic number, because the mean of its divisors is an integer number (2872901428).

Almost surely, 2^10055154991 is an apocalyptic number.

10055154991 is a deficient number, since it is larger than the sum of its proper divisors (1436450721).

10055154991 is an equidigital number, since it uses as much as digits as its factorization.

10055154991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436450720.

The product of its (nonzero) digits is 40500, while the sum is 40.

The spelling of 10055154991 in words is "ten billion, fifty-five million, one hundred fifty-four thousand, nine hundred ninety-one".