5401561911 has 8 divisors (see below), whose sum is σ = 7273390704. Its totient is φ = 3565387200.

The previous prime is 5401561901. The next prime is 5401561943. The reversal of 5401561911 is 1191651045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5401561911 - 2²⁵ = 5368007479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401561901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8913166 + ... + 8913771.

It is an arithmetic number, because the mean of its divisors is an integer number (909173838).

Almost surely, 2^5401561911 is an apocalyptic number.

5401561911 is a deficient number, since it is larger than the sum of its proper divisors (1871828793).

5401561911 is a wasteful number, since it uses less digits than its factorization.

5401561911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17827041.

The product of its (nonzero) digits is 5400, while the sum is 33.

The square root of 5401561911 is about 73495.3189733877. The cubic root of 5401561911 is about 1754.5797768244.

The spelling of 5401561911 in words is "five billion, four hundred one million, five hundred sixty-one thousand, nine hundred eleven".