157038216011 has 4 divisors (see below), whose sum is σ = 157041399192. Its totient is φ = 157035032832.

The previous prime is 157038215977. The next prime is 157038216019. The reversal of 157038216011 is 110612830751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157038216011 - 2²² = 157034021707 is a prime.

It is a super-2 number, since 2×157038216011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157038216019) 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, 1516406 + ... + 1616651.

It is an arithmetic number, because the mean of its divisors is an integer number (39260349798).

Almost surely, 2^157038216011 is an apocalyptic number.

157038216011 is a deficient number, since it is larger than the sum of its proper divisors (3183181).

157038216011 is an equidigital number, since it uses as much as digits as its factorization.

157038216011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183180.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 157038216011 in words is "one hundred fifty-seven billion, thirty-eight million, two hundred sixteen thousand, eleven".