2355121542 has 16 divisors (see below), whose sum is σ = 4712001840. Its totient is φ = 784747392.

The previous prime is 2355121541. The next prime is 2355121579. The reversal of 2355121542 is 2451215532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355121541) 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, 55543 + ... + 88290.

It is an arithmetic number, because the mean of its divisors is an integer number (294500115).

Almost surely, 2^2355121542 is an apocalyptic number.

2355121542 is an abundant number, since it is smaller than the sum of its proper divisors (2356880298).

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

2355121542 is a wasteful number, since it uses less digits than its factorization.

2355121542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146567.

The product of its digits is 12000, while the sum is 30.

The square root of 2355121542 is about 48529.5944965544. The cubic root of 2355121542 is about 1330.4680249305.

The spelling of 2355121542 in words is "two billion, three hundred fifty-five million, one hundred twenty-one thousand, five hundred forty-two".