2015251044054 has 16 divisors (see below), whose sum is σ = 4267590446448. Its totient is φ = 632235621632.

The previous prime is 2015251044047. The next prime is 2015251044119. The reversal of 2015251044054 is 4504401525102.

It is a happy number.

It is a super-2 number, since 2×2015251044054² (a number of 25 digits) contains 22 as substring.

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, 9878681487 + ... + 9878681690.

It is an arithmetic number, because the mean of its divisors is an integer number (266724402903).

Almost surely, 2^{2015251044054} is an apocalyptic number.

2015251044054 is an abundant number, since it is smaller than the sum of its proper divisors (2252339402394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015251044054 is a wasteful number, since it uses less digits than its factorization.

2015251044054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757363199.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 2015251044054 its reverse (4504401525102), we get a palindrome (6519652569156).

The spelling of 2015251044054 in words is "two trillion, fifteen billion, two hundred fifty-one million, forty-four thousand, fifty-four".