5515171372 has 6 divisors (see below), whose sum is σ = 9651549908. Its totient is φ = 2757585684.

The previous prime is 5515171369. The next prime is 5515171373. The reversal of 5515171372 is 2731715155.

It is not an unprimeable number, because it can be changed into a prime (5515171373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689396418 + ... + 689396425.

Almost surely, 2^5515171372 is an apocalyptic number.

It is an amenable number.

5515171372 is a deficient number, since it is larger than the sum of its proper divisors (4136378536).

5515171372 is a wasteful number, since it uses less digits than its factorization.

5515171372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378792847 (or 1378792845 counting only the distinct ones).

The product of its digits is 36750, while the sum is 37.

The square root of 5515171372 is about 74264.1998004422. The cubic root of 5515171372 is about 1766.7957148089.

The spelling of 5515171372 in words is "five billion, five hundred fifteen million, one hundred seventy-one thousand, three hundred seventy-two".