157011022011 has 4 divisors (see below), whose sum is σ = 209348029352. Its totient is φ = 104674014672.

The previous prime is 157011022009. The next prime is 157011022013. The reversal of 157011022011 is 110220110751.

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

It is an interprime number because it is at equal distance from previous prime (157011022009) and next prime (157011022013).

It is not a de Polignac number, because 157011022011 - 2¹ = 157011022009 is a prime.

It is a super-2 number, since 2×157011022011² (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 (157011022013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26168503666 + ... + 26168503671.

It is an arithmetic number, because the mean of its divisors is an integer number (52337007338).

Almost surely, 2^157011022011 is an apocalyptic number.

157011022011 is a deficient number, since it is larger than the sum of its proper divisors (52337007341).

157011022011 is an equidigital number, since it uses as much as digits as its factorization.

157011022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52337007340.

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 157011022011 its reverse (110220110751), we get a palindrome (267231132762).

The spelling of 157011022011 in words is "one hundred fifty-seven billion, eleven million, twenty-two thousand, eleven".