152157099181 has 2 divisors, whose sum is σ = 152157099182. Its totient is φ = 152157099180.

The previous prime is 152157099161. The next prime is 152157099187. The reversal of 152157099181 is 181990751251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146631555625 + 5525543556 = 382925^2 + 74334^2 .

It is a cyclic number.

It is not a de Polignac number, because 152157099181 - 2³¹ = 150009615533 is a prime.

It is a super-2 number, since 2×152157099181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152157099187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76078549590 + 76078549591.

It is an arithmetic number, because the mean of its divisors is an integer number (76078549591).

Almost surely, 2^152157099181 is an apocalyptic number.

It is an amenable number.

152157099181 is a deficient number, since it is larger than the sum of its proper divisors (1).

152157099181 is an equidigital number, since it uses as much as digits as its factorization.

152157099181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 49.

The spelling of 152157099181 in words is "one hundred fifty-two billion, one hundred fifty-seven million, ninety-nine thousand, one hundred eighty-one".