2051401161542 has 8 divisors (see below), whose sum is σ = 3080063344800. Its totient is φ = 1024713379944.

The previous prime is 2051401161533. The next prime is 2051401161577. The reversal of 2051401161542 is 2451611041502.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2051401161499 and 2051401161508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493597817 + ... + 493601972.

It is an arithmetic number, because the mean of its divisors is an integer number (385007918100).

Almost surely, 2^{2051401161542} is an apocalyptic number.

2051401161542 is a deficient number, since it is larger than the sum of its proper divisors (1028662183258).

2051401161542 is a wasteful number, since it uses less digits than its factorization.

2051401161542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987200830.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 2051401161542 in words is "two trillion, fifty-one billion, four hundred one million, one hundred sixty-one thousand, five hundred forty-two".