11155151051 has 12 divisors (see below), whose sum is σ = 12289953312. Its totient is φ = 10117470000.

The previous prime is 11155151023. The next prime is 11155151081. The reversal of 11155151051 is 15015155111.

It is not a de Polignac number, because 11155151051 - 2¹⁸ = 11154888907 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11155151051.

It is not an unprimeable number, because it can be changed into a prime (11155151081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54800 + ... + 159101.

It is an arithmetic number, because the mean of its divisors is an integer number (1024162776).

Almost surely, 2^11155151051 is an apocalyptic number.

11155151051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11155151051 is a deficient number, since it is larger than the sum of its proper divisors (1134802261).

11155151051 is a wasteful number, since it uses less digits than its factorization.

11155151051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214354 (or 214343 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 26.

The spelling of 11155151051 in words is "eleven billion, one hundred fifty-five million, one hundred fifty-one thousand, fifty-one".