11230777157 has 4 divisors (see below), whose sum is σ = 11719071840. Its totient is φ = 10742482476.

The previous prime is 11230777153. The next prime is 11230777171. The reversal of 11230777157 is 75177703211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75177703211 = 13 ⋅5782900247.

It is a cyclic number.

It is not a de Polignac number, because 11230777157 - 2² = 11230777153 is a prime.

It is a super-2 number, since 2×11230777157² (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 (11230777153) 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, 244147307 + ... + 244147352.

It is an arithmetic number, because the mean of its divisors is an integer number (2929767960).

Almost surely, 2^11230777157 is an apocalyptic number.

It is an amenable number.

11230777157 is a deficient number, since it is larger than the sum of its proper divisors (488294683).

11230777157 is an equidigital number, since it uses as much as digits as its factorization.

11230777157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488294682.

The product of its (nonzero) digits is 72030, while the sum is 41.

The spelling of 11230777157 in words is "eleven billion, two hundred thirty million, seven hundred seventy-seven thousand, one hundred fifty-seven".