11436923157 has 8 divisors (see below), whose sum is σ = 16635524640. Its totient is φ = 6931468560.

The previous prime is 11436923149. The next prime is 11436923161. The reversal of 11436923157 is 75132963411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11436923157 - 2³ = 11436923149 is a prime.

It is a super-2 number, since 2×11436923157² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11436923257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173286682 + ... + 173286747.

It is an arithmetic number, because the mean of its divisors is an integer number (2079440580).

Almost surely, 2^11436923157 is an apocalyptic number.

It is an amenable number.

11436923157 is a deficient number, since it is larger than the sum of its proper divisors (5198601483).

11436923157 is a wasteful number, since it uses less digits than its factorization.

11436923157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346573443.

The product of its digits is 136080, while the sum is 42.

The spelling of 11436923157 in words is "eleven billion, four hundred thirty-six million, nine hundred twenty-three thousand, one hundred fifty-seven".