611401210025 has 6 divisors (see below), whose sum is σ = 758137500462. Its totient is φ = 489120968000.

The previous prime is 611401210019. The next prime is 611401210031. The reversal of 611401210025 is 520012104116.

It is an interprime number because it is at equal distance from previous prime (611401210019) and next prime (611401210031).

It can be written as a sum of positive squares in 3 ways, for example, as 184243543696 + 427157666329 = 429236^2 + 653573^2 .

It is not a de Polignac number, because 611401210025 - 2⁴ = 611401210009 is a prime.

It is a super-2 number, since 2×611401210025² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12228024176 + ... + 12228024225.

It is an arithmetic number, because the mean of its divisors is an integer number (126356250077).

Almost surely, 2^611401210025 is an apocalyptic number.

It is an amenable number.

611401210025 is a deficient number, since it is larger than the sum of its proper divisors (146736290437).

611401210025 is a wasteful number, since it uses less digits than its factorization.

611401210025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24456048411 (or 24456048406 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The spelling of 611401210025 in words is "six hundred eleven billion, four hundred one million, two hundred ten thousand, twenty-five".