7555252991672 has 32 divisors (see below), whose sum is σ = 14395780555200. Its totient is φ = 3716866212864.

The previous prime is 7555252991669. The next prime is 7555252991683. The reversal of 7555252991672 is 2761992525557.

It is a happy number.

It is a super-2 number, since 2×7555252991672² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7555252991599 and 7555252991608.

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, 30378272 + ... + 30625967.

It is an arithmetic number, because the mean of its divisors is an integer number (449868142350).

Almost surely, 2^{7555252991672} is an apocalyptic number.

It is an amenable number.

7555252991672 is a deficient number, since it is larger than the sum of its proper divisors (6840527563528).

7555252991672 is a wasteful number, since it uses less digits than its factorization.

7555252991672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61004495 (or 61004491 counting only the distinct ones).

The product of its digits is 119070000, while the sum is 65.

The spelling of 7555252991672 in words is "seven trillion, five hundred fifty-five billion, two hundred fifty-two million, nine hundred ninety-one thousand, six hundred seventy-two".