37251521461 has 16 divisors (see below), whose sum is σ = 47431618560. Its totient is φ = 28409557680.

The previous prime is 37251521443. The next prime is 37251521569. The reversal of 37251521461 is 16412515273.

It is not a de Polignac number, because 37251521461 - 2¹³ = 37251513269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37251521461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37251521161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5143041 + ... + 5150278.

It is an arithmetic number, because the mean of its divisors is an integer number (2964476160).

Almost surely, 2^37251521461 is an apocalyptic number.

It is an amenable number.

37251521461 is a deficient number, since it is larger than the sum of its proper divisors (10180097099).

37251521461 is a wasteful number, since it uses less digits than its factorization.

37251521461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10293384.

The product of its digits is 50400, while the sum is 37.

The spelling of 37251521461 in words is "thirty-seven billion, two hundred fifty-one million, five hundred twenty-one thousand, four hundred sixty-one".