151195690531 has 4 divisors (see below), whose sum is σ = 151200627592. Its totient is φ = 151190753472.

The previous prime is 151195690501. The next prime is 151195690549. The reversal of 151195690531 is 135096591151.

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 151195690531 - 2⁷ = 151195690403 is a prime.

It is a super-2 number, since 2×151195690531² (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 (151195690501) 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, 2422305 + ... + 2483938.

It is an arithmetic number, because the mean of its divisors is an integer number (37800156898).

Almost surely, 2^151195690531 is an apocalyptic number.

151195690531 is a deficient number, since it is larger than the sum of its proper divisors (4937061).

151195690531 is an equidigital number, since it uses as much as digits as its factorization.

151195690531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937060.

The product of its (nonzero) digits is 182250, while the sum is 46.

The spelling of 151195690531 in words is "one hundred fifty-one billion, one hundred ninety-five million, six hundred ninety thousand, five hundred thirty-one".