151250137561 has 2 divisors, whose sum is σ = 151250137562. Its totient is φ = 151250137560.

The previous prime is 151250137499. The next prime is 151250137579. The reversal of 151250137561 is 165731052151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143065497600 + 8184639961 = 378240^2 + 90469^2 .

It is a cyclic number.

It is not a de Polignac number, because 151250137561 - 2³⁵ = 116890399193 is a prime.

It is a super-2 number, since 2×151250137561² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151250137561.

It is not a weakly prime, because it can be changed into another prime (151250117561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75625068780 + 75625068781.

It is an arithmetic number, because the mean of its divisors is an integer number (75625068781).

Almost surely, 2^151250137561 is an apocalyptic number.

It is an amenable number.

151250137561 is a deficient number, since it is larger than the sum of its proper divisors (1).

151250137561 is an equidigital number, since it uses as much as digits as its factorization.

151250137561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 151250137561 in words is "one hundred fifty-one billion, two hundred fifty million, one hundred thirty-seven thousand, five hundred sixty-one".