5551021212502 has 4 divisors (see below), whose sum is σ = 8326531818756. Its totient is φ = 2775510606250.

The previous prime is 5551021212497. The next prime is 5551021212511. The reversal of 5551021212502 is 2052121201555.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5551021212502² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387755303124 + ... + 1387755303127.

It is an arithmetic number, because the mean of its divisors is an integer number (2081632954689).

Almost surely, 2^{5551021212502} is an apocalyptic number.

5551021212502 is a deficient number, since it is larger than the sum of its proper divisors (2775510606254).

5551021212502 is a wasteful number, since it uses less digits than its factorization.

5551021212502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775510606253.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 5551021212502 in words is "five trillion, five hundred fifty-one billion, twenty-one million, two hundred twelve thousand, five hundred two".