11555153050091 has 32 divisors (see below), whose sum is σ = 13528944000000. Its totient is φ = 9662675742720.

The previous prime is 11555153050087. The next prime is 11555153050097. The reversal of 11555153050091 is 19005035155511.

It is a happy number.

It is not a de Polignac number, because 11555153050091 - 2² = 11555153050087 is a prime.

It is a super-2 number, since 2×11555153050091² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11555153050097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1522213706 + ... + 1522221296.

It is an arithmetic number, because the mean of its divisors is an integer number (422779500000).

Almost surely, 2^{11555153050091} is an apocalyptic number.

11555153050091 is a deficient number, since it is larger than the sum of its proper divisors (1973790949909).

11555153050091 is a wasteful number, since it uses less digits than its factorization.

11555153050091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939.

The product of its (nonzero) digits is 84375, while the sum is 41.

The spelling of 11555153050091 in words is "eleven trillion, five hundred fifty-five billion, one hundred fifty-three million, fifty thousand, ninety-one".