611875950625 has 45 divisors (see below), whose sum is σ = 777848078469. Its totient is φ = 481162242000.

The previous prime is 611875950611. The next prime is 611875950649. The reversal of 611875950625 is 526059578116.

The square root of 611875950625 is 782225.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 47971074529 + 563904876096 = 219023^2 + 750936^2 .

It is not a de Polignac number, because 611875950625 - 2³³ = 603286016033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1310226642 + ... + 1310227108.

Almost surely, 2^611875950625 is an apocalyptic number.

611875950625 is the 782225-th square number.

611875950625 is the 391113-rd centered octagonal number.

It is an amenable number.

611875950625 is a deficient number, since it is larger than the sum of its proper divisors (165972127844).

611875950625 is an frugal number, since it uses more digits than its factorization.

611875950625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 55.

It can be divided in two parts, 611875 and 950625, that added together give a square (1562500 = 1250²).

The spelling of 611875950625 in words is "six hundred eleven billion, eight hundred seventy-five million, nine hundred fifty thousand, six hundred twenty-five".