151709771631 has 48 divisors (see below), whose sum is σ = 229953604608. Its totient is φ = 88140950400.

The previous prime is 151709771581. The next prime is 151709771669. The reversal of 151709771631 is 136177907151.

It is a happy number.

It is not a de Polignac number, because 151709771631 - 2⁶ = 151709771567 is a prime.

It is a super-2 number, since 2×151709771631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151709771671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11705851 + ... + 11718803.

It is an arithmetic number, because the mean of its divisors is an integer number (4790700096).

Almost surely, 2^151709771631 is an apocalyptic number.

151709771631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151709771631 is a deficient number, since it is larger than the sum of its proper divisors (78243832977).

151709771631 is a wasteful number, since it uses less digits than its factorization.

151709771631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13212 (or 13105 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 48.

The spelling of 151709771631 in words is "one hundred fifty-one billion, seven hundred nine million, seven hundred seventy-one thousand, six hundred thirty-one".