61357036144504 has 32 divisors (see below), whose sum is σ = 121099813030800. Its totient is φ = 29063763325440.

The previous prime is 61357036144427. The next prime is 61357036144517. The reversal of 61357036144504 is 40544163075316.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70447974 + ... + 71313610.

Almost surely, 2^{61357036144504} is an apocalyptic number.

It is an amenable number.

61357036144504 is a deficient number, since it is larger than the sum of its proper divisors (59742776886296).

61357036144504 is a wasteful number, since it uses less digits than its factorization.

61357036144504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331983 (or 1331979 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 61357036144504 in words is "sixty-one trillion, three hundred fifty-seven billion, thirty-six million, one hundred forty-four thousand, five hundred four".